Yeah. It could well be the case.
A bang at 3kV always makes for a memorable event. He'll be standing
back and using a long broom handle to throw that switch for the next
few times, I bet. Ha ha.
73 from downunder,
Alek. VK6APK
At 08:39 PM 24/04/2011, Carl wrote:
>I think he answered his own question Alex. A home brew choke without
>checking resonances would be my guess.
>It takes very little deviation to shift that resonance which is
>almost always between 25-28MHz in that style choke. Its why
>Ameritron gave up on it and went to the sectional style which goes
>back to the National R-175 of the late 30's.
>
>Carl
>KM1H
>
>----- Original Message ----- From: "Alek Petkovic" <vk6apk@bigpond.com>
>To: "Alf Pousar" <alf.pousar@surffi.net>; <Amps@contesting.com>
>Sent: Sunday, April 24, 2011 4:59 AM
>Subject: Re: [Amps] Blown anode choke in TL-922
>
>
>>In Isaac's original description, he described hearing a bang. That
>>means that he had 'an event'.
>>
>>The browning of the wires of the plate choke is not consistent with
>>the symptoms (bang) that Isaac described hearing.
>>
>>Something else caused that bang to be heard. A bandswitch or tuning
>>capacitor flashover A popping diode or capacitor or even the cw/ssb
>>switch contacts.
>>
>>Isaac, there must be some damage, other than that plate choke that
>>you have not uncovered yet.
>>
>>73, Alek.
>>VK6APK
>>
>>
>>
>>
>>At 04:45 PM 24/04/2011, Alf Pousar wrote:
>>>Hi Isaac,
>>>I guess it's due to the fact you are running RTTY. The power
>>>dissipation is a totally different ball game for RTTY vs SSB.
>>>Your working is similar to keydown for the entire qso during transmission.
>>>This is orfcourse only my opinion.
>>>
>>>Happy easter,
>>>Alf OH2QM
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>>
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>>
>>
>>
>>
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